基于空间矢量的微电源逆变器调制方法研究

Study on Modulation Method of Micro Power Inverter Based on Space Vector

微网中微电源逆变器控制脉冲信号的调制效果直接影响逆变器输出的电气性能。对于逆变器的控制脉冲信号调制,目前较多采用正弦脉宽调制方式和空间矢量调制方式。本文介绍了空间矢量脉宽调制(SVPWM)的基本原理,设计了微电源逆变器控制脉冲信号的生成方案,并对正弦脉宽调制方式和空间矢量调制方式进行了对比分析,最终通过Matlab仿真软件验证了该方案的有效性。

In the micro grid,the modulation effect of micro-power inverter control pulse signal directly affects the output electrical performance of the inverter. For the modulation method of inverter,sine pulse width modulation and space vector modulation method are the more applied methods.This paper introduces the basic principle of space vector pulse width modulation （SVPWM）,designs the generation scheme of micro-power inverter control pulse signal,and compares and analyzes the sinusoidal pulse width modulation and space vector modulation, finally verifies the effectiveness of the scheme through the simulation software Matlab.